This paper deals with the concept of transmitting raw IP packets over an optical layer, which employs DWDM for increasing its bandwidth demand.
It also gives a brief introduction to DWDM systems.
The requirements for creating an all optical networks and the issues pertaining such an evolution have been discussed here.
preview:
http://www.cse.wustl.edu/~jain/cis788-99/ftp/ip_dwdm/index.html
9/5/2003